E240B QUANTUM ATMEL, E240B Datasheet - Page 10

• Manufacturer Part Number: E240B
• Description: QT240 4 Key Qtouch Evaluation Kit
• Manufacturer: QUANTUM ATMEL

Specifications of E240B

• Silicon Manufacturer: Atmel
• Application Sub Type: Touch Sensor
• Kit Application Type: Sensing - Touch / Proximity
• Silicon Core Number: QT240
• Kit Contents: Board And Literature
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

BOARD OPTIONS
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Warning: Changing components on the board involves soldering and unsoldering; please take
care not to overheat the board or to leave excessive flux which can affect signal stability
and performance. If in doubt, clean the board with a commercial flux remover and dry it prior to
use.
Figure 5 — Jumper Positions Showing Default Configuration
The E240 as shipped is factory configured to operate in fast mode with spread spectrum
enabled, and with a 10-second recalibration delay. The user can re-configure the jumpers to
change these settings using zero-ohm 0603 SMD resistors or bits of fine wire.
See next page for available jumper combinations.